Answer:
See below
Step-by-step explanation:

Answer:
3/8
Step-by-step explanation:
there are 8 options in total
3 of them arr even
So you know the whole line is XZ which is 83.Then you find out it is in two parts so that is XY and YZ which are 11 and 4c. You can make the equation:
11+4c=83
4c=72
c=18
c=18 and YZ=72
Answer:
given in the figure an isosceles right triangle
hence
x = √3
- √3 is a <u>surd</u> it can't be simplified further
-1 / 7 = x
You need to combine the 2x and 5x then devise the 7x from -1